import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';
import 'package:get/get.dart';

import '../../../common/api/index.dart';
import '../../../common/models/index.dart';
import '../../../common/routers/index.dart';
import '../../../common/utils/index.dart';
import '../../../common/values/index.dart';
import '../../../common/widgets/index.dart';
import '../../apps/cms/cms_app/index.dart';
import '../../apps/cms/cms_document/index.dart';
import '../create_form/index.dart';
import '../process_webview/index.dart';
import 'index.dart';

class PortalController extends GetxController implements JsNavigationInterface {
  PortalController({this.initMap});

  final state = PortalState();
  final _eventBus = EventBus();
  final _eventId = 'portal_page';
  final channel = O2FlutterMethodChannelUtils();
  // webview控件的控制器
  final GlobalKey webViewKey = GlobalKey();
  InAppWebViewController? webviewController;
  // webview 通用方法
  final webviewHelper = WebviewHelper();

  Map<String, dynamic>? initMap;

  // 安装转化js
  var isInstallJsName = false;

  // cms 创建文档使用的对象
  CmsAppData? _app;
  CmsCategoryData? _category;

  /// 在 widget 内存中分配后立即调用。
  @override
  void onInit() {
    super.onInit();
  }

  /// 在 onInit() 之后调用 1 帧。这是进入的理想场所
  @override
  void onReady() {
    if (initMap != null) {
      state.title = initMap?["title"] ?? "app_type_portal".tr;
      OLogger.d("门户标题 title: ${state.title} ");
      String id = initMap?["portalId"] ?? "";
      OLogger.d("门户id: $id ");
      state.hiddenAppBar = true;
      if (id.isNotEmpty) {
        _initPortalUrl(id);
      }
    } else {
      var map = Get.arguments;
      if (map != null) {
        state.hiddenAppBar = false;
        state.title = map["title"] ?? "app_type_portal".tr;
        OLogger.d("门户标题 title: ${state.title} ");
        String id = map["portalId"] ?? "";
        String pageId = map["pageId"] ?? "";
        OLogger.d("门户id: $id pageId:$pageId ");
        if (id.isNotEmpty) {
          _initPortalUrl(id, pageId: pageId.isNotEmpty ? pageId : null);
        } else {
          Loading.showError('args_error'.tr);
          Get.back();
          return;
        }
      }
    }
    _eventBus.on(EventBus.cmsDocumentCloseMsg, _eventId, (arg) {
      _refreshPage();
      OLogger.d('cms 文档 关闭后刷新portal页面。。。。。');
    });
    _eventBus.on(EventBus.processWorkCloseMsg, _eventId, (arg) {
      _refreshPage();
      OLogger.d('流程工作文档 关闭后刷新portal页面。。。。。');
    });

    super.onReady();
  }

  /// 在 [onDelete] 方法之前调用。
  @override
  void onClose() {
    _eventBus.off(EventBus.cmsDocumentCloseMsg, _eventId);
    _eventBus.off(EventBus.processWorkCloseMsg, _eventId);
    super.onClose();
  }

  /// dispose 释放内存
  @override
  void dispose() {
    super.dispose();
  }

  @override
  void closeWindow() {
    OLogger.d('执行了 jsapi close ');
    tapCloseBtn();
  }

  @override
  void goBack() {
    OLogger.d('执行了 jsapi goBack ');
    tapBackBtn();
  }

  @override
  void setNavigationTitle(String title) {
    OLogger.d('执行了 jsapi setNavigationTitle $title ');
    state.title = title;
  }

  /// 刷新当前页面
  void _refreshPage() {
    isInstallJsName = false;
    webviewController?.reload();
    OLogger.d('执行了页面刷新  reload');
  }

  void _initPortalUrl(String id, {String? pageId}) async {
    var url = O2ApiManager.instance.getPortalUrl(id, pageId: pageId) ?? "";
    if (url.isNotEmpty) {
      final uurl = Uri.parse(url);
      var host = O2ApiManager.instance.getWebHost();
      var domain = uurl.host;
      // if (host.isNotEmpty && host.isIPv4) {
      //   domain = host; // ip地址
      // } else {
      //   domain = url.getHostFromUrl();
      // }
      var tokenName = O2ApiManager.instance.tokenName;
      var token = O2ApiManager.instance.o2User?.token ?? '';
      OLogger.d(
          "加载webview cookie，url: $url domain: $domain tokenName: $tokenName token: $token");
      CookieManager cookieManager = CookieManager.instance();
      await cookieManager.setCookie(
          url: uurl,
          name: tokenName,
          value: token,
          domain: (domain.isEmpty ? host : domain));
      state.url = url;
    }
    OLogger.d("打开网址： $url");
  }

  ///
  /// 点击appbar 返回按钮
  ///
  void tapBackBtn() async {
    if (await webviewController?.canGoBack() == true) {
      webviewController?.goBack();
    } else {
      tapCloseBtn();
    }
  }

  void tapCloseBtn() {
    _eventBus.emit(EventBus.portalCloseMsg, 'close');
    Get.back();
  }

  ///
  /// 加载js通道
  ///
  void setupWebviewJsHandler(InAppWebViewController c) async {
    webviewController = c;
    webviewController?.addJavaScriptHandler(
        handlerName: O2.webviewChannelNameCommonKey,
        callback: (msgs) {
          OLogger.d(
              "js 通信， name: ${O2.webviewChannelNameCommonKey} msg: $msgs");
          if (msgs.isNotEmpty) {
            String msg = msgs[0] as String? ?? "";
            _jsChannelMessageReceived(msg);
          }
        });
    // 添加 js handler
    webviewHelper.setupWebviewJsHandler(c);
    webviewHelper.setupJsNavigationInterface(this);
  }

  /// webview 加载进度
  void progressChanged(InAppWebViewController c, int p) {
    OLogger.d("o2Webview process progress: $p");
    // 这里把  inappwebview的 js handler 方式修改成 我们自定义的
    if (p == 100 && !isInstallJsName) {
      isInstallJsName = true;
      // o2android
      var js = '''
            if (window.flutter_inappwebview && window.flutter_inappwebview.callHandler) {
              window.o2android = {};
              window.o2android.postMessage = function(message){
                window.flutter_inappwebview.callHandler('o2android', message);
              };
            }
          ''';
      c.evaluateJavascript(source: js);
      OLogger.d("执行o2android转化js完成。。。");
      webviewHelper.changeJsHandlerFunName(c);
    }
  }

  ///
  /// 接收js通道返回数据
  ///   h5上调用js执行flutter这边的原生方法
  ///
  // void jsChannelMessageReceived(JavascriptMessage message) {
  // if (message.message.isNotEmpty) {
  void _jsChannelMessageReceived(String message) {
    OLogger.d("h5执行原生方法，message: $message");
    if (message.isEmpty) {
      return;
    }
    var jsMessage = JsMessage.fromJson(O2Utils.parseStringToJson(message));
    switch (jsMessage.type) {
      case 'openO2Work':
        _openWork(jsMessage.data);
        break;
      case 'createO2CmsDocument':
        _createO2CmsDocument(jsMessage.data);
        break;
      case 'startProcess':
        _startProcess(jsMessage.data);
        break;
      case 'openO2CmsApplication':
        _openO2CmsApplication(jsMessage.data);
        break;
      case 'openO2CmsDocument':
        _openO2CmsDocument(jsMessage.data);
        break;
      case 'openO2Meeting':
        _openO2Meeting(jsMessage.data);
        break;
      case 'openO2Calendar':
        _openO2Calendar(jsMessage.data);
        break;
      case 'openO2WorkSpace':
        _openO2WorkSpace(jsMessage.data);
        break;
      default:
        break;
    }
    _executeCallbackJs(jsMessage.callback, null);
  }

  ///
  /// 打开工作
  /// workId: String, workCompletedId: String, title: String
  void _openWork(Map<String, dynamic>? data) {
    if (data != null) {
      String workid = data['workId'] ?? '';
      if (workid.isEmpty) {
        workid = data['workCompletedId'] ?? '';
      }
      if (workid.isNotEmpty) {
        ProcessWebviewPage.open(workid,
            title: data['title'] ?? 'process_work_no_title_no_process'.tr);
      }
    }
  }

  /// 启动流程，创建工作
  /// {"app": app, "process": ""}
  Future<void> _startProcess(Map<String, dynamic>? data) async {
    OLogger.d('data: $data');
    if (data == null) {
      OLogger.e('data is empty!!!!!!!!!!!!');
      Loading.toast('args_error'.tr);
      return;
    }
    var app = data['app'];
    var process = data['process'];
    if (app != null &&
        app is String &&
        app.isNotEmpty &&
        process != null &&
        process is String &&
        process.isNotEmpty) {
      OLogger.d('app $app process $process');
      final processInfo = await ProcessSurfaceService.to
          .getWithProcessWithApplication(app, process);
      if (processInfo == null) {
        Loading.toast('args_error'.tr);
        return;
      }
      //TODO data中获取表单的 data 数据，暂时为空
      final workData = {};
      CreateFormPage.startProcess(true,
          process: processInfo, workData: workData);
    } else {
      OLogger.e('app or process is empty!!!!!!!!!!!!');
      Loading.toast('args_error'.tr);
    }
  }

  ///
  /// 创建文档
  /// * 创建文档 目前只有 column 和 category 有效果
  /* {
            "column" : column, //（string）可选，内容管理应用（栏目）的名称、别名或ID
            "category" : category, //（string）可选，要创建的文档所属的分类的名称、别名或ID
            "data" : data, //（json object）可选，创建文档时默认的业务数据
            "identity" : identity, //（string）可选，创建文档所使用的身份。如果此参数为空，且当前人有多个身份的情况下，会弹出身份选择对话框；否则使用默认身份。
            "callback" : callback, //（funcation）可选，文档创建后的回调函数。
            "target" : target, //（boolean）可选，为true时，在当前页面打开创建的文档；否则打开新窗口。默认false。
            "latest" : latest, //（boolean）可选，为true时，如果当前用户已经创建了此分类的文档，并且没有发布过，直接调用此文档为新文档；否则创建一个新文档。默认true。
            "selectColumnEnable" : selectColumnEnable, //（boolean）可选，是否可以选择应用和分类进行创建文档。有category参数时为默认false,否则默认为true。
            "ignoreTitle" : ignoreTitle //（boolean）可选，值为false时，创建的时候需要强制填写标题，默认为false。
            "restrictToColumn" : restrictToColumn //（boolean）可选，值为true时，会限制在传入的栏目中选择分类，默认为false。
            } */
  ///
  void _createO2CmsDocument(Map<String, dynamic>? data) async {
    OLogger.d('data: $data');
    _app = null;
    _category = null;
    if (data != null) {
      var categoryId = data['category'];
      if (categoryId != null && categoryId is String && categoryId.isNotEmpty) {
        // 根据分类id查询 分类和应用
        _category = await CmsAssembleControlService.to.getCategory(categoryId);
        if (_category != null && _category?.appId != null && _app == null) {
          _app = await CmsAssembleControlService.to.getApp(_category!.appId!);
        }
      } else {
        var appId = data['column'];
        if (appId != null && appId is String && appId.isNotEmpty) {
          // 只有应用id的情况 弹出分类选择器
          _app = await CmsAssembleControlService.to
              .getAppCanPublishCategories(appId);
          if (_app != null &&
              _app?.wrapOutCategoryList != null &&
              _app!.wrapOutCategoryList!.isNotEmpty) {
            var cList = _app!.wrapOutCategoryList!;
            if (cList.length == 1) {
              _category = cList[0];
            } else {
              _showCmsCategoryChoose(cList);
              return;
            }
          }
        }
      }
    }
    // 传入参数不足，选择分类
    if (_app == null || _category == null) {
      var category = await Get.toNamed(O2OARoutes.appCmsCategoryPicker);
      if (category != null && category is CmsCategoryData) {
        OLogger.d('选择了分类： ${category.toJson()}');
        _app = category.withApp;
        _category = category;
      }
    }
    _startCreateDocument();
  }

  /// 选择分类
  void _showCmsCategoryChoose(List<CmsCategoryData> list) {
    final c = Get.context;
    if (c != null) {
      O2UI.showBottomSheetWithCancel(
          c,
          list
              .map((e) => ListTile(
                    onTap: () {
                      Navigator.pop(c);
                      _category = e;
                      _startCreateDocument();
                    },
                    title: Align(
                      alignment: Alignment.center,
                      child: Text(e.categoryName ?? '',
                          style: Theme.of(c).textTheme.bodyMedium),
                    ),
                  ))
              .toList());
    }
  }

  ///
  /// 参数查询完成后开始创建文档
  /// _app、_category 都赋值后
  ///
  void _startCreateDocument() async {
    if (_app == null || _category == null) {
      Loading.toast('cms_create_document_no_args'.tr);
      return;
    }
    OLogger.d('创建文档，app：${_app?.toJson()}');
    OLogger.d('创建文档，category：${_category?.toJson()}');
    final config = _app?.config;
    bool ignoreTitle = false; // 是否忽略标题
    bool latest = true; // 是否查询草稿
    if (config != null && config.isNotEmpty) {
      final map = O2Utils.parseStringToJson(config);
      final ig = map['ignoreTitle'];
      if (ig != null && ig is bool) {
        ignoreTitle = ig;
      }
      final la = map['latest'];
      if (la != null && la is bool) {
        latest = la;
      }
    }
    if (latest) {
      var drafts =
          await CmsAssembleControlService.to.listDocumentDraft(_category!.id!);
      if (drafts != null && drafts.isNotEmpty) {
        OLogger.d('有草稿。。。。');
        CmsDocumentPage.open(drafts[0].id!,
            title: drafts[0].title ?? '', options: {"readonly": false});
        return;
      }
    }

    CreateFormPage.startCmsDoc(ignoreTitle, category: _category!);
    
  }

  ///
  /// 打开信息中心
  /// appId: String, title: String
  ///
  void _openO2CmsApplication(Map<String, dynamic>? data) async {
    if (data != null && data['appId'] != null && data['appId'] is String) {
      var list =
          await CmsAssembleControlService.to.listAppWithCategoryUserCanView();
      if (list != null) {
        var app = list.firstWhereOrNull((element) =>
            element.id == data['appId'] ||
            element.appAlias == data['appId'] ||
            element.appName == data['appId']);
        if (app != null) {
          CmsAppPage.open(app); // 打开对应的
          return;
        }
      }
    }
    // 没有参数 直接打开cms
    Get.toNamed(O2OARoutes.appCms);
  }

  ///
  /// 打开信息文档
  /// docId: String, title: String, options: Map<String, dynamic>?
  ///
  void _openO2CmsDocument(Map<String, dynamic>? data) {
    if (data != null) {
      String docId = data['docId'] ?? '';
      if (docId.isNotEmpty) {
        CmsDocumentPage.open(docId,
            title: data['title'] ?? '', options: data['options']);
      }
    }
  }

  ///
  /// 打开 会议管理
  ///
  void _openO2Meeting(Map<String, dynamic>? data) {
    Get.toNamed(O2OARoutes.appMeeting);
  }

  ///
  /// 打开 日程管理
  ///
  void _openO2Calendar(Map<String, dynamic>? data) {
    Get.toNamed(O2OARoutes.appCalendar);
  }

  ///
  /// 打开 办公中心
  /// type: String  task taskcompleted read readcompleted
  ///
  void _openO2WorkSpace(Map<String, dynamic>? data) {
    if (data != null) {
      String type = data['type'];
      switch (type) {
        case 'task':
          Get.toNamed(O2OARoutes.appTask);
          break;
        case 'taskcompleted':
          Get.toNamed(O2OARoutes.appTaskcompleted);
          break;
        case 'read':
          Get.toNamed(O2OARoutes.appRead);
          break;
        case 'readcompleted':
          Get.toNamed(O2OARoutes.appReadcompleted);
          break;
        default:
          break;
      }
    }
  }

  ///
  /// 如果有callback函数 就执行
  ///
  void _executeCallbackJs(String? callback, dynamic result) {
    if (callback != null && callback.isNotEmpty) {
      if (result != null) {
        webviewController?.evaluateJavascript(source: '$callback($result)');
      } else {
        webviewController?.evaluateJavascript(source: '$callback()');
      }
    }
  }

  /// 复制当前链接
  void copyLink() async {
    final url = await webviewController?.getUrl();
    if (url != null) {
      Clipboard.setData(ClipboardData(text: url.toString()));
      Loading.toast('im_chat_success_copy'.tr);
    }
  }
}
